Agency Urges a Change in School Science Demos

EDUCATION The U.S. Chemical Safety Board has urged museums and schools to stop using methanol and other flammable chemicals in science demonstrations in light of a flash fire that injured 13 people, most of them children, at museum earlier this month. (Associated Press) Use our resources to learn more about chemistry, and thanks to esteemed colleague Samantha for the heads-up on this great current event … Continue reading Agency Urges a Change in School Science Demos

The Tears of an Astronaut

SCIENCE The Tears of an Astronaut In space, no one can hear you scream. But can they hear you cry? In this new video, Canadian Space Agency Astronaut Chris Hadfield demonstrates the physics of tears in space. Discussion Ideas: The final words spoken by Chris Hadfield, the astronaut in the video, are “It’s gravity.” Actually, it’s surface tension in zero-gravity! Can students explain how a lack … Continue reading The Tears of an Astronaut